TABLE 1.
Comparison of UBT and HpSA results with analysis of biopsies from initial pretreatment endoscopy
| Test (n) and result | No. (%) of patients with the following biopsy resultsa:
|
||||||||
|---|---|---|---|---|---|---|---|---|---|
| Positive
|
Negative (U−, H−, C−) | ||||||||
| U+, H+, C+ | U+, H+, C− | U−, H+, C+b | U+, H−, C+ | U+, H−, C− | U−, H+, C− | U−, H−, C+ | Total | ||
| UBT (238) | |||||||||
| ≥200 dpm | 184 (98) | 11 (100) | 30 (88) | 0 | 0 | 2 (67) | 0 | 227 (97) | 0 |
| 50–200 dpm | 3 | 0 | 4 | 0 | 0 | 1 | 0 | 8 | 3 (100) |
| HpSA (235c) | |||||||||
| + | 172 (93) | 11 (100) | 31 (94) | 0 | 0 | 3 (100) | 0 | 217 (93) | 0 |
| − | 14 | 0 | 2 | 0 | 0 | 0 | 0 | 16 | 2 (100) |
a
U, rapid urease test; H, histology (Warthin-Starry silver stain); C, culture.
b
Includes two patients for whom rapid urease results were unavailable.
c
A diagnostic HpSA was not performed for three H. pylori-positive patients for whom biopsy results were available.